File perf-test-report-failure-for-mmap-events.patch of Package perf.15505

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File perf-test-report-failure-for-mmap-events.patch of Package perf.15505

From: Leo Yan <leo.yan@linaro.org>
Date: Fri, 11 Oct 2019 17:19:41 +0800
Subject: perf test: Report failure for mmap events
Git-commit: 6add129c5d9210ada25217abc130df0b7096ee02
Patch-mainline: v5.5-rc1
References: git-fixes
X-Info: adjust for context, no 9521b5f2d9d3

When fail to mmap events in task exit case, it misses to set 'err' to
-1; thus the testing will not report failure for it.

This patch sets 'err' to -1 when fails to mmap events, thus Perf tool
can report correct result.

Fixes: d723a55096b8 ("perf test: Add test case for checking number of EXIT events")
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20191011091942.29841-1-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Tony Jones <tonyj@suse.de>
---
 tools/perf/tests/task-exit.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c
index 4965f8b9055b..19fa7cb429fd 100644
--- a/tools/perf/tests/task-exit.c
+++ b/tools/perf/tests/task-exit.c
@@ -111,6 +111,7 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused
 	if (perf_evlist__mmap(evlist, 128) < 0) {
 		pr_debug("failed to mmap events: %d (%s)\n", errno,
 			 str_error_r(errno, sbuf, sizeof(sbuf)));
+		err = -1;
 		goto out_delete_evlist;
 	}

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File perf-test-report-failure-for-mmap-events.patch of Package perf.15505

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